/*
 * Copyright (c) 2013, Scodec
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 * are permitted provided that the following conditions are met:
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 * 2. Redistributions in binary form must reproduce the above copyright notice,
 *    this list of conditions and the following disclaimer in the documentation
 *    and/or other materials provided with the distribution.
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 * 3. Neither the name of the copyright holder nor the names of its contributors
 *    may be used to endorse or promote products derived from this software without
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 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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package scodec
package examples

import scodec.bits.ByteVector

class UdpDatagramExample extends CodecSuite:

  case class Datagram(sourcePort: Int, destinationPort: Int, checksum: Int, data: ByteVector)

  object Datagram:
    import scodec.codecs.*

    given Codec[Datagram] = {
      ("source_port" | uint16) ::
        ("dest_port" | uint16) ::
        variableSizeBytes(
          uint16,
          ("checksum" | uint16) ::
            ("data" | bytes)
        )
    }.as[Datagram]

  test("Datagram codec") {
    roundtrip(Datagram(1234, 2345, 0, ByteVector.fill(0xff)(100)))
  }
